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var(--am-page-padding);margin:22px auto 0;list-style:none}.bk-toc-item{border-bottom:1px solid var(--am-border-default);color:var(--am-text-primary);align-items:baseline;gap:14px;padding:15px 0;display:flex}.bk-toc-item:hover{background:var(--am-color-seal-wash)}.bk-toc-num{font-family:var(--am-font-mono);color:var(--am-text-secondary);font-variant-numeric:tabular-nums;flex:none;font-size:12px}.bk-toc-title{flex:0 auto;font-size:17px}.bk-toc-dots{border-bottom:1px dotted var(--am-border-default);flex:auto}.bk-toc-arrow{color:var(--am-accent);flex:none}.bk-end{color:var(--am-text-secondary);margin-top:72px}.bk-end a{color:var(--am-accent);border-bottom:1px solid var(--am-accent)}.bk-chapter{max-width:var(--bk-measure);padding:72px var(--am-page-padding) 0;margin:0 auto}.bk-chapter-head{margin-bottom:34px}.bk-chapter-head .eyebrow a{color:var(--am-text-secondary);border-bottom:1px solid var(--am-border-default)}.bk-chapter-head h1{margin:14px 0 0;font-size:clamp(27px,5vw,36px);font-weight:600;line-height:1.4}.bk-stage{border:1px solid var(--am-border-default);background:var(--am-bg-default);flex-wrap:wrap;align-items:baseline;gap:6px 16px;margin-top:22px;padding:12px 14px;display:flex}.bk-stage-ord{font-family:var(--am-font-mono);letter-spacing:.12em;color:var(--am-text-secondary);font-size:11.5px}.bk-stage-path{font-size:16px}.bk-stage-enemy{font-family:var(--am-font-hand);color:var(--am-accent);font-size:17px}.bk-stage-map{font-family:var(--am-font-mono);color:var(--am-accent);border-bottom:1px solid var(--am-accent);margin-left:auto;font-size:12px}.bk-prose>:first-child{margin-top:0}.bk-prose p{margin:0 0 1.5em}.bk-prose h2{margin:2.4em 0 .9em;font-size:21px;font-weight:600;line-height:1.6}.bk-prose h3{margin:2em 0 .7em;font-size:18px;font-weight:600}.bk-prose strong{font-weight:600}.bk-prose em{color:var(--am-text-secondary);font-style:italic}.bk-prose .bk-source-note{border-left:2px solid var(--am-border-default);color:var(--am-text-secondary);margin:-.5em 0 1.9em;padding:2px 0 2px 16px;font-size:15.5px;line-height:1.8}.bk-prose blockquote{border-left:2px solid var(--am-accent);color:var(--am-text-secondary);margin:1.8em 0;padding:4px 0 4px 18px}.bk-prose blockquote p:last-child{margin-bottom:0}.bk-prose ul,.bk-prose ol{margin:0 0 1.5em;padding-left:1.4em}.bk-prose li{margin-bottom:.5em}.bk-prose hr{border:0;border-top:1px solid var(--am-border-default);margin:2.6em 0}.bk-prose code{font-family:var(--am-font-mono);background:var(--am-color-seal-wash);padding:1px 5px;font-size:.9em}.bk-prose pre{background:var(--am-color-paper-line);border-left:2px solid var(--am-border-default);max-width:100%;margin:0 0 1.5em;padding:16px 18px;overflow-x:auto}.bk-prose pre code{white-space:pre;color:var(--am-text-primary);background:0 0;padding:0;font-size:13.5px;line-height:1.85;display:block}.bk-prose a{color:var(--am-accent);border-bottom:1px solid var(--am-accent)}.bk-figure{width:100%;margin:44px 0}.bk-fig-frame{border:1px solid var(--am-border-default);background:var(--am-bg-default);box-shadow:var(--am-shadow-scrap);padding:12px}.bk-fig-scroll{overflow-x:auto}.bk-fig-svg{width:100%;min-width:560px;height:auto;display:block}.bk-fig-svg text{font-family:var(--am-font-hand)}.bk-figure figcaption{font-family:var(--am-font-mono);color:var(--am-text-secondary);flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin-top:12px;font-size:12px;line-height:1.7;display:flex}.bk-fig-num{color:var(--am-accent)}.bk-fig-title{color:var(--am-text-primary)}.bk-fig-note{flex:240px}.book-page.chapter{padding-bottom:104px}.bk-switch{z-index:var(--am-z-sticky);background:var(--am-color-paper);border-top:1px solid var(--am-border-default);position:fixed;bottom:0;left:0;right:0;box-shadow:0 -2px 10px #0000000a}.bk-switch-inner{max-width:var(--bk-measure);padding:11px var(--am-page-padding);align-items:center;gap:16px;margin:0 auto;display:flex}.bk-switch a{min-width:0;color:var(--am-text-secondary);font-size:14px;font-family:var(--am-font-ui);align-items:center;gap:8px;display:flex}.bk-switch a:hover{color:var(--am-accent)}.bk-switch-prev{flex:1 1 0;justify-content:flex-start}.bk-switch-next{text-align:right;flex:1 1 0;justify-content:flex-end}.bk-switch-spacer{flex:1 1 0}.bk-switch-title{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.bk-switch-toc{font-family:var(--am-font-mono);letter-spacing:.1em;border:1px solid var(--am-border-default);flex:none;padding:5px 12px;font-size:12px}@media (width<=720px){.bk-rail{flex-direction:column;overflow-x:visible}.bk-cell{flex-direction:column}.bk-node{flex-direction:row;justify-content:flex-start;gap:14px;width:auto}.bk-node-note{text-align:left;margin-top:0}.bk-gap{flex-direction:row;justify-content:flex-start;align-items:center;gap:14px;min-width:0;padding:10px 0}.bk-barrier{flex:0 0 62px;width:62px;height:44px}.bk-barrier-rule{border-top:0;border-left:1.5px solid var(--am-border-strong);inset:0 auto 0 50%}.bk-barrier-bars{flex-direction:column;justify-content:center;width:56px;height:26px}.bk-barrier-bars i{width:100%;height:2px}.bk-enemy{margin-top:0}.bk-chapter-nav{flex-direction:column}.bk-chapter-nav a{max-width:none}.bk-chapter-nav .bk-next{text-align:left}}@media (width>=721px){.bk-detail-grid{grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:26px}}@media (prefers-reduced-motion:reduce){.bk-state,.bk-gap,.bk-node{transition:none}}.bk-rail.static{max-width:none;margin:0;padding:0;overflow:visible}.bk-rail.static .bk-gap{cursor:default}.bk-figure-map .bk-fig-frame{padding:20px 12px}@media (width>=721px){.bk-rail.static .bk-node{width:78px}.bk-rail.static .bk-disc{border-width:1.6px;width:52px;height:52px;font-size:15px}.bk-rail.static .bk-node-note{margin-top:7px;font-size:11px}.bk-rail.static .bk-gap{min-width:74px}.bk-rail.static .bk-barrier{height:52px}.bk-rail.static .bk-barrier-bars{gap:6px;width:24px;height:46px}.bk-rail.static .bk-enemy{margin-top:7px;font-size:15px}.bk-rail.static .bk-ord{font-size:10px}}.bk-free-tag{border:1px solid var(--am-accent);color:var(--am-accent);font-family:var(--am-font-mono);letter-spacing:.1em;margin-right:8px;padding:2px 8px;font-size:11px;display:inline-block}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}